<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Login</title>
</head>
<body>
<h1>登录</h1>
 <p th:text="${msg}" style="color:red"></p>
  <form th:action="@{/login}">
      <p>用户名：<input  type="text" name="username"/></p>
      <p>密码：<input  type="text" name="password"/></p>
      <p><button type="submit" >登录</button></p>
  </form>
</body>
</html>